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deps/v8/src/heap/cppgc/member-storage.h
34 строки
1 KB
Michaël Zasso
deps: update V8 to 11.3.244.4
31 мар 2023, 17:15
31 мар 2023, 17:15
f226350
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// Copyright 2022 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef V8_HEAP_CPPGC_MEMBER_STORAGE_H_ #define V8_HEAP_CPPGC_MEMBER_STORAGE_H_ #include "include/cppgc/internal/member-storage.h" namespace cppgc { namespace internal { #if defined(CPPGC_POINTER_COMPRESSION) class CageBaseGlobalUpdater final { public: CageBaseGlobalUpdater() = delete; static void UpdateCageBase(uintptr_t cage_base) { CPPGC_DCHECK(CageBaseGlobal::IsBaseConsistent()); CPPGC_DCHECK(0u == (cage_base & CageBaseGlobal::kLowerHalfWordMask)); CageBaseGlobal::g_base_.base = cage_base | CageBaseGlobal::kLowerHalfWordMask; } static uintptr_t GetCageBase() { CPPGC_DCHECK(CageBaseGlobal::IsBaseConsistent()); return CageBaseGlobal::g_base_.base & ~CageBaseGlobal::kLowerHalfWordMask; } }; #endif // defined(CPPGC_POINTER_COMPRESSION) } // namespace internal } // namespace cppgc #endif // V8_HEAP_CPPGC_MEMBER_STORAGE_H_